Panasonic FP7 Series Command Reference Manual page 311

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Outline of operation
● This instruction multiplies the values [S1] and [S2] according to the operation unit [i].
● The calculation result is stored in the address starting with [D].
[S1] × [S2] → ([D] to [D]+1)
● The size of the area in which the operation result is stored varies depending on the operation
unit.
Operation
unit
US, SS
UL, SL
SF
DF
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Processing
Example 1) Operation unit: 16 bits (US, SS)
Example 2) Operation unit: 32 bits (UL, SL)
Example 3) Operation unit: 32 bits (SF)
WUME-FP7CPUPGR-12
Calculation target data
16-bit × 16-bit
32-bit × 32-bit
32-bit × 32-bit
64-bit × 64-bit
6.3 MUL (Multiplication)
Calculation result
Stored in a two-word area that starts
32 bit
with [D]
Stored in a four-word area that starts
64 bit
with [D]
Stored in a two-word area that starts
32 bit
with [D]
Stored in a four-word area that starts
64 bit
with [D]
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